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| 1 | The DEAD-Box RNA Helicase DDX1 Interacts with the Viral Protein 3D and Inhibits Foot-and-Mouth Disease Virus Replication显示文摘Foot-and-mouth disease virus(FMDV)can infect domestic and wild cloven-hoofed animals.The non-structural protein 3D plays an important role in FMDV replication and pathogenesis.However,the interaction partners of 3D,and the effects of those interactions on FMDV replication,remain incompletely elucidated.In the present study,using the yeast two-hybrid system,we identified a porcine cell protein,DEAD-box RNA helicase 1(DDX1),which interacted with FMDV 3D.The DDX1-3D interaction was further confirmed by co-immunoprecipitation experiments and an indirect immunofluorescence assay(IFA)in porcine kidney 15(PK-15)cells.DDX1 was reported to either inhibit or facilitate viral replication and regulate host innate immune responses.However,the roles of DDX1 during FMDV infection remain unclear.Our results revealed that DDX1 inhibited FMDV replication in an ATPase/helicase activity-dependent manner.In addition,DDX1 stimulated IFN-p activation in FMDV-infected cells.Together,our results expand the body of knowledge regarding the role of DDX1 in FMDV infection. | Qiao Xue Huisheng Liu Qiaoying Zeng Haixue Zheng Qinghong Xue Xuepeng Cai | 2019 | Virologica Sinica2019，34，6： | 9 |
| 2 | African Swine Fever Virus MGF-110-9L-deficient Mutant Has Attenuated Virulence in Pigs显示文摘African swine fever virus(ASFV)is the etiological agent of African swine fever(ASF),an often lethal disease in domestic and wild pigs.ASF represents a major threat to the swine industry worldwide.Currently,no commercial vaccine is available because of the complexity of ASFV or biosecurity concerns.Live attenuated viruses that are naturally isolated or genetically manipulated have demonstrated reliable protection against homologous ASFV strain challenge.In the present study,a mutant ASFV strain with the deletion of ASFV MGF-110-9L(ASFV-D9L)was generated from a highly virulent ASFV CN/GS/2018 parental strain,a genotypeⅡASFV.Relative to the parental ASFV isolate,deletion of the MGF-110-9L gene significantly decreased the ability of ASFV-D9L to replicate in vitro in primary swine macrophage cell cultures.The majority of animals inoculated intramuscularly with a low dose of ASFV-D9L(10 HAD50)remained clinically normal during the 21-day observational period.Three of five ASFV-D9L-infected animals displayed low viremia titers and low virus shedding and developed a strong virus-specific antibody response,indicating partial attenuation of the ASFV-D9L strain in pigs.The findings imply the potential usefulness of the ASFV-D9L strain for further development of ASF control measures. | Dan Li Yinguang Liu Xiaolan Qi Yuan Wen Pan Li Zhao Ma Yongjie Liu Haixue Zheng Zhijie Liu | 2021 | Virologica Sinica2021，36，2： | 8 |
| 3 | The Distribution of Different Clades of Seneca Valley Viruses in Guangdong Province,China显示文摘Seneca Valley virus (SVV), a newly determined etiological agent of vesicular disease in swine, causes porcine idiopathic disease and occasional acute death in piglets. Recently, an increased number of SVV infection cases have been reported in the United States (US) and China, resulting in significant economic losses to the swine industry. The first identification of SVV in China was reported in Guangdong Province, a major swine producing province. The cases of SVV were continuously reported in Guangdong in 2015 and 2016. However, the spread of SVV in Guangdong in 2017 remains unknown.In this study, we determined two new SVV strains, CH-GD-2017-1 and CH-GD-2017-2, from Guangdong. The genetic analysis suggested that the two Guangdong strains showed different characteristics to previous Guangdong strains. They showed lower nucleotide similarity with strains isolated in 2015 and 2016, and were more similar to the US strains.Phylogenetic analyses indicated that the new strains were clustered in a different clade with previous Guangdong strains.We found 28 mutated amino acids in the new strains, compared with the first Guangdong strain, SVV CH-01-2015. In the geographic analysis, we found that the US and China reported more SVV cases than other countries, and most of the SVV cases were reported in east and central China—of which, Guangdong Province is one of the major epidemic regions. In conclusion, our findings indicate that SVV continued to spread in Guangdong Province in 2017, and two different clades of SVVs have emerged in this region. | Pan Chen Fan Yang Weijun Cao Huanan Liu Keshan Zhang Xiangtao Liu Zhiwen Xu Zixiang Zhu Haixue Zheng | 2018 | Virologica Sinica2018，33，5： | 7 |
| 4 | Infective viruses produced from full-length complementary DNA of swine vesicular disease viruses HK/70 strain显示文摘The full-length cDNA clone of swine vesicular disease virus HK/70 strain named pSVOK12 was constructed in order to study the antigenicity, replication, maturation and pathogenicity of swine vesicular disease virus. In vitro transcription RNA from pSVOK12 transfected IBRS-2 cells and the re- covered virus RNA were isolated and sequenced, then indirect hemagglutination test, indirect im- munofluorescence assays, eleectron microscope test, 50% tissue culture infecting dose (TCID50) assays and mouse virulence studies were performed to study the antigenicity and virulence of the recovered virus. The result showed that the infectious clones we ob- tained and the virus derived from pSVOK12 had the same biological properties as the parental strain HK/70. The full-length infectious cDNA clone, pSVOK12, will be very useful in studies of the anti- genicity, virulence, pathogenesis, maturation and replication of SVDV. | ZHENG Haixue LIU Xiangtao SHANG Youiun WU Jinyan BAI Xingwen JIN Ye SUN Shiqi GUO Huichen TIAN Hong FENG Xia YIN Shuanghui GUO Jianhong CONG Guozheng LIU Zaixin CHANG Huiyun MA Junwu XIE Qingge | 2006 | Chinese Science Bulletin2006，51，17： | 6 |
| 5 | Recovery of infectious foot-and-mouth disease virus from full-length genomic cDNA clones using an RNA polymerase I system显示文摘prototypic foot-and-mouth 疾病病毒(FMDV ) 超过一个世纪以前被显示出是能够引起 FMD 的第一个可滤过的代理人,并且它为学习 Aphthovirus 分子的生物学的基本原则担任了一个重要模型。然而,复杂结构和 FMDV 的 antigenic 差异在由反向的基因技术操作传染病毒形成了一个主要障碍到尝试。这里,我们从 cDNAs 报导传染 FMDV 的恢复基于一在 vivo RNA 有效聚合酶吗?(pol ?) 抄写系统。从 pol 的全身的病毒的染色体的细胞内部的抄写 ? 基于的向量导致了传染病毒显示的有效形成一个基因标记。与野类型的病毒相比,许多 genomic mRNA 和病毒的抗原的提高的表示层次在整个在抄写,复制,和翻译层次的这个导出 cDNA 的病毒的生命周期的功能亢进是指示的。这里描述的技术能是为学习 FMDV 复杂传染特征的一个极其珍贵的分子的生物学工具。它是为学习 FMDV 功能的 genomics 的一个操作平台,致病力和变化的分子的机制,并且向一支遗传上设计的疫苗的前景为病毒的怪物的开发打一个稳固的基础。 | Yanyan Chang Haixue Zheng Youjun Shang Ye Jin Guangxiang Wang Xiaoyan Shen Xiangtao Liu | 2009 | Acta Biochimica et Biophysica Sinica2009，41，12： | 3 |
| 6 | Autologous bone marrow stem cell transplantation for the treatment of ulcerative colitis complicated with herpes zoster: a case report显示文摘 | Hang Xiang Xiaomei Zhang Chao Yang Wenhuan Xu Xin Ge Rong Zhang Ya Qiu Wanjun Sun Fan Li Tianyuan Xiang Haixu Chen Zheng Wang Qiang Zeng | 2016 | Frontiers of Medicine2016，10，4： | 2 |
| 7 | Foot-and-Mouth Disease Virus Inhibits RIP2 Protein Expression to Promote Viral Replication显示文摘Receptors interaction protein 2(RIP2)is a specific adaptor molecule in the downstream of NOD2.The role of RIP2 during foot-and-mouth disease virus(FMDV)infection remains unknown.Here,our results showed that RIP2 inhibited FMDV replication and played an important role in the activation of IFN-βand NF-κB signal pathways during FMDV infection.FMDV infection triggered RIP2 transcription,while it reduced the expression of RIP2 protein.Detailed analysis showed that FMDV 2B,2C,3C^(pro),and L^(pro) proteins were responsible for inducing the reduction of RIP2 protein.3C^(pro) and L^(pro) are viral proteinases that can induce the cleavage or reduction of many host proteins and block host protein synthesis.The carboxyl terminal 105-C114 and 135-C144 regions of 2B were essential for reduction of RIP2.Our results also showed that the N terminal 1-61 region of 2C were essential for the reduction of RIP2.The 2C-induced reduction of RIP2 was dependent on inducing the reduction of poly(A)-binding protein 1(PABPC1).The interaction between RIP2 and 2C was observed in the context of viral infection,and the residues 1-61 were required for the interaction.These data clarify novel mechanisms of reduction of RIP2 mediated by FMDV. | Huisheng Liu Qiao Xue Zixiang Zhu Fan Yang Weijun Cao Xiangtao Liu Haixue Zheng | 2021 | Virologica Sinica2021，36，4： | 1 |
| 8 | Development of a hamster kidney cell line expressing stably T7 RNA polymerase using retroviral gene transfer technology for efficient rescue of infectious foot-and-mouth disease virus显示文摘 | Haixue Zheng Hong Tian Ye Jin Jinyan Wu Youjun Shang Shuanghui Yin Xiangtao Liu QingGe Xie | 2008 | Journal of Virological Methods2008，，1： | 1 |
| 9 | Differential gene expression in porcine SK6 cells infected with wild-type and SAP domain-mutant foot-and-mouth disease virus显示文摘Foot-and-mouth disease virus(FMDV) is the causative agent of a highly contagious disease in livestock. The viral proteinaseL^(rop) of FMDV is involved in pathogenicity, and mutation of theL^(rop) SAP domain reduces FMDV pathogenicity in pigs. To determine the gene expression profiles associated with decreased pathogenicity in porcine cells, we performed transcriptome analysis using next-generation sequencing technology and compared differentially expressed genes in SK6 cells infected with FMDV containingL^(rop) with either a wild-type or mutated version of the SAP domain. This analysis yielded 1,853 genes that exhibited a ≥ 2-fold change in expression and was validated by real-time quantitative PCR detection of several differentially expressed genes. Many of the differentially expressed genes correlated with antiviral responses corresponded to genes associated with transcription factors, immune regulation, cytokine production, inflammatory response, and apoptosis. Alterations in gene expression profiles may be responsible for the variations in pathogenicity observed between the two FMDV variants. Our results provided genes of interest for the further study of antiviral pathways and pathogenic mechanisms related to FMDV L^(rop). | Zixin Ni Fan Yang Weijun Cao Xiangle Zhang Ye Jin Ruoqing Mao Xiaoli Du Weiwei Li Jianhong Guo Xiangtao Liu Zixiang Zhu Haixue Zheng | 2016 | Virologica Sinica2016，31，3： | 1 |
| 10 | Porcine Picornavirus 3C Protease Degrades PRDX6 to Impair PRDX6-mediated Antiviral Function显示文摘Peroxiredoxin-6(PRDX6)is an antioxidant enzyme with both the activities of peroxidase and phospholipase A2(PLA2),which is involved in regulation of many cellular reactions.However,the function of PRDX6 during virus infection remains unknown.In this study,we found that the abundance of PRDX6 protein was dramatically decreased in foot-and-mouth disease virus(FMDV)infected cells.Overexpression of PRDX6 inhibited FMDV replication.In contrast,knockdown of PRDX6 expression promoted FMDV replication,suggesting an antiviral role of PRDX6.To explore whether the activity of peroxidase and PLA2 was associated with PRDX6-mediated antiviral function,a specific inhibitor of PLA2(MJ33)and a specific inhibitor of peroxidase activity(mercaptosuccinate)were used to treat the cells before FMDV infection.The results showed that incubation of MJ33 but not mercaptosuccinate promoted FMDV replication.Meanwhile,overexpression of PRDX6 slightly enhanced type I interferon signaling.We further determined that the viral 3Cprowas responsible for degradation of PRDX6,and 3Cpro-induced reduction of PRDX6 was independent of the proteasome,lysosome,and caspase pathways.The protease activity of 3Cprowas required for induction of PRDX6 reduction.Besides,PRDX6 suppressed the replication of another porcine picornavirus Senecavirus A(SVA),and the 3Cproof SVA induced the reduction of PRDX6 through its proteolytic activity as well.Together,our results suggested that PRDX6 plays an important antiviral role during porcine picornavirus infection,and the viral 3Cproinduces the degradation of PRDX6 to overcome PRDX6-mediated antiviral function. | Congcong Wang Huanhuan Feng Xiangle Zhang Kangli Li Fan Yang Weijun Cao Huisheng Liu Lili Gao Zhaoning Xue Xiangtao Liu Zixiang Zhu Haixue Zheng | 2021 | Virologica Sinica2021，36，5： | 1 |
| 11 | FoxJ1 inhibits African swine fever virus replication and viral S273R protein decreases the expression of FoxJ1 to impair its antiviral effect显示文摘African swine fever(ASF)is a highly pathogenic swine infectious disease that affects domestic pigs and wild boar,which is caused by the African swine fever virus(ASFV).ASF has caused huge economic losses to the pig industry and seriously threatens global food security and livestock health.To date,there is no safe and effective commercial vaccine against ASF.Unveiling the underlying mechanisms of ASFV-host interplay is critical for developing effective vaccines and drugs against ASFV.In the present study,RNA-sequencing,RT-qPCR and Western blotting analysis revealed that the transcriptional and protein levels of the host factor FoxJ1 were significantly down-regulated in primary porcine alveolar macrophages(PAMs)infected by ASFV.RT-qPCR analysis showed that overexpression of FoxJ1 upregulated the transcription of type I interferon and interferon stimulating genes(ISGs)induced by poly(dA:dT).FoxJ1 revealed a function to positively regulate innate immune response,therefore,suppressing the replication of ASFV.In addition,Western blotting analysis indicated that FoxJ1 degraded ASFV MGF505-2R and E165R proteins through autophagy pathway.Meanwhile,RT-qPCR and Western blotting analysis showed that ASFV S273R inhibited the expression of FoxJ1.Altogether,we determined that FoxJ1 plays an antiviral role against ASFV replication,and ASFV protein impairs FoxJ1-mediated antiviral effect by degradation of FoxJ1.Our findings provide new insights into the antiviral function of FoxJ1,which might help design antiviral drugs or vaccines against ASFV infection. | Caina Ma Shasha Li Fan Yang Weijun Cao Huisheng Liu Tao Feng Keshan Zhang Zixiang Zhu Xiangtao Liu Yonghao Hu Haixue Zheng | 2022 | Virologica Sinica2022，37，3： | 1 |
| 12 | Identification of African swine fever virus MGF505-2R as a potent inhibitor of innate immunity in vitro显示文摘African swine fever(ASF)is etiologically an acute,highly contagious and hemorrhagic disease caused by African swine fever virus(ASFV).Due to its genetic variation and phenotypic diversity,until now,no efficient commercial vaccines or therapeutic options are available.The ASFV genome contains a conserved middle region and two flexible ends that code for five multigene families(MGFs),while the biological functions of the MGFs are not fully characterized.Here,ASFV MGF505-2R-deficient mutant ASFV-Δ2R was constructed based on a highly virulent genotype II field isolate ASFV CN/GS/2018 currently circulating in China.Transcriptomic profiling demonstrated that ASFV-Δ2R was capable of inducing a larger number of differentially expressed genes(DEGs)compared with ASFV CN/GS/2018.Hierarchical clustering of up-regulated DEGs revealed that ASFV-Δ2R induced the most dramatic expression of interferon-related genes and inflammatory and innate immune genes,as further validated by RT-qPCR.The GO and KEGG pathway analysis identified significantly enriched pathways involved in pathogen recognition and innate antiviral immunity.Conversely,pharmacological activation of those antiviral immune responses by exogenous cytokines,including type I/II IFNs,TNF-αand IL-1β,exerted combinatory effects and synergized in antiviral capacity against ASFV replication.Collectively,MGF505-2R is a newly identified inhibitor of innate immunity potentially implicated in immune evasion. | Huaguo Huang Wen Dang Zhengwang Shi Mingyang Ding Fan Xu Tao Li Tao Feng Haixue Zheng Shuqi Xiao | 2023 | Virologica Sinica2023，38，1： | 0 |
| 13 | A NEW ALKALOID FROM THE ROOTS OF REHMANNIA GLUTINOSA显示文摘The present phytochenucal study was undertaken to investigate the chemical constituents of the 95%EtOH extract of the dried roots of Rehmannia glutinosa.The compounds were isolated and purified by Diaion HP-20,Toyopearl HW-40,silica gel column chromatography and preparative HPLC,and the structures were identified on | Meng Li Xiaolan Wang Wei Zhao Jingke Zhang Xiaoke Zheng Yanli Zhang Haixue Kuang Weisheng Feng | 2015 | World Journal of Traditional Chinese Medicine2015，1，4： | 0 |
| 14 | Eukaryotic Expression and Activity Analysis of Capsid Gene of Swine Vesicular Disease Virus HK/70显示文摘The capsid protein precursor(P1),which plays a major role for the generation of polypeptides of swine vesicular disease virus(SVDV),was cloned from SVDV HK/70 strain into the retroviral vector pBABE puro and expressed in the mammalian cell line PK15 through the retroviral expression system.The activity of recombinant protein to induce immune response was evaluated in guinea pigs.IFA and Western Blot were used to detect the recombinant protein expression.The results showed that the recombinant protein could be recognized by SVDV positive serum,and animal test showed SVDV-specifi c antibodies.All of those results indicate that a retroviral-based vaccine carrying the capsid protein precursor(P1) of SVD is able to be expressed in the eukaryotic cell and elicites strong SVDV-specifi c immune responses in guinea pigs. | TIAN Hong WU Jingyan SHANG Youjun YING Shuanghui ZHENG Haixue LIU Xiangtao XIE Qingge | 2009 | Journal of Northeast Agricultural University(English Edition)2009，16，4： | 0 |
| 15 | Correction to: Porcine Picornavirus 3C Protease Degrades PRDX6 to Impair PRDX6-mediated Antiviral Function显示文摘Correction to:Virologica Sinica(2021)36:948-957 https://doi.org/10.1007/s12250-021-00352-4 Due to our negligence,the original version of this article,published online on March 15,2021,contained a mistake in Figure 2E(The Knockdown band of Western blotting was provided incorrectly).The correct Fig.2E is given below.We apologize for this error and state that this does not change the scientific conclusions of the article in any way. | Congcong Wang Huanhuan Feng Xiangle Zhang Kangli Li Fan Yang Weijun Cao Huisheng Liu Lili Gao Zhaoning Xue Xiangtao Liu Zixiang Zhu Haixue Zheng | 2021 | Virologica Sinica2021，36，6： | 0 |
| 16 | Porcine epidemic diarrhea virus nsp14 inhibits NF-κB pathway activation by targeting the IKK complex and p65显示文摘Coronaviruses(CoVs)are a group of related enveloped RNA viruses that have severe consequences in a wide variety of animals by causing respiratory,enteric or systemic diseases.Porcine epidemic diarrhea virus(PEDV)is an economically important CoV distributed worldwide that causes diarrhea in pigs.nsp14 is a nonstructural protein of PEDV that is involved in regulation of innate immunity and viral replication.However,the function and mechanism by which nsp14 modulates and manipulates host immune responses remain largely unknown.Here,we report that PEDV nsp14 is an NF-κB pathway antagonist.Overexpression PEDV nsp14 protein remarkably decreases SeV-,poly(I:C)-and TNF-α-induced NF-κB activation.Meanwhile,expression of proinflammatory cytokines is suppressed by nspl4.nsp14 inhibits the phosphorylation of IKKs by interacting with IKKs and p65.Furthermore,nsp14 suppresses TNF-α-induced phosphorylation and nuclear import of p65.Overexpression nsp14 considerably increases PEDV replication.These results suggest a novel mechanism employed by PEDV to suppress the host antiviral response,providing insights that can guide the development of antivirals against CoVs. | Shasha Li Fan Yang Caina Ma Weijun Cao Jinping Yang Zhenxiang Zhao Hong Tian Zixiang Zhu Haixue Zheng | 2021 | Animal Diseases2021，1，3： | 0 |
| 17 | Genomic similarity and antibody-dependent enhancement of immune serum potentially affect the protective efficacy of commercial MLV vaccines against NADC30-like PRRSV显示文摘Porcine reproductive and respiratory syndrome(PRRS)is one of the most significant diseases affecting the pig industry worldwide.The PRRSV mutation rate is the highest among the RNA viruses.To date,NADC30-like PRRSV and highly pathogenic PRRSV(HP-PRRSV)are the dominant epidemic strains in China;however,commercial vaccines do not always provide sufficient cross-protection,and the reasons for insufficient protection are unclear.This study isolated a wild-type NADC30-like PRRSV,SX-YL1806,from Shaanxi Province.Vaccination challenge experiments in piglets showed that commercial modified live virus(MLV)vaccines provided good protection against HP-PRRSV.However,it could not provide sufficient protection against the novel strain SXYL1806.To explore the reasons for this phenomenon,we compared the genomic homology between the MLV strain and HP-PRRSV or NADC30-like PRRSV and found that the MLV strain had a lower genome similarity with NADC30-like PRRSV.Serum neutralization assay showed that MLV-immune serum slightly promoted the homologous HP-PRRSV replication and significantly promoted the heterologous NADC30-like PRRSV strain replication in vitro,suggesting that antibody-dependent enhancement(ADE)might also play a role in decreasing MLV protective efficacy.These findings expand our understanding of the potential factors affecting the protective effect of PRRSV MLV vaccines against the NADC30-like strains. | Yang Li Lele Xu Dian Jiao Zifang Zheng Zhihao Chen Yang Jing Zhiwei Li Zhiqian Maa Yingtong Feng Xuyang Guo Yumiao Wang Yuan He Haixue Zheng Shuqi Xiao | 2023 | Virologica Sinica2023，38，5： | 0 |
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